K&N Engineering

K&N Replacement Industrial Air Filter Round 5.5in ID / 7in OD / 2.25in H - E-4665

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SKU:
KNNE-4665
UPC:
024844108425
MPN:
E-4665
Availability:
Regularly stocked product
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$54.99
Current Stock: 26

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Description

How do I find the right K&N Air Filter for my vehicle?
K&N Air Filters utilize a comprehensive fitment guide to ensure perfect integration with your specific vehicle's factory air box.

How often should I replace my K&N Drop-In Air Filter?
These K&N Drop-In Air Filters are designed for a lifetime of performance, easily cleaned and reused, eliminating the need for frequent replacement.

K&N Drop-In Air Filters deliver superior filtration, protecting your equipment's engine with an easy DIY install score of 9. Featuring oil-free synthetic media, these filters achieve a lifetime of performance with simple cleaning and reuse. Experience enhanced engine protection and a reusable filtration solution for your vehicle.

Key Features

  • oil-free synthetic media
  • tube of grease is provided in the packaging
  • superior filtration protecting your equipment's engine
  • cleaned and used again, lasting the life of your equipment
  • easy to install
  • fit into your factory air box

Why Choose the KN Drop in Air Filters

Delivers cleaner air to your engine for enhanced performance and longevity.

Provides superior filtration, safeguarding your engine from damaging contaminants.

Achieves a lifetime of performance with simple cleaning and reuse.

Transforms your driving experience with a quick, hassle-free installation.

Who Is This For?

Easy DIY Install — 9/10
Drop-in design fits factory air box, easy installation.

Street Performance — 7/10
Superior filtration protects engine, premium performance positioning.

Engine Performance — 7/10
Superior filtration protects engine, premium performance positioning.

Racing Competition — 6/10
Premium performance positioning, superior filtration for engine protection.

Track / Autocross — 6/10
Premium performance positioning, superior filtration for engine protection.

Overlanding / Expedition — 5/10
Reusable filter offers long-term protection for equipment.

Frequently Asked Questions

What is a K&N drop-in air filter?

A K&N drop-in air filter is an oil-free synthetic media replacement for your vehicle's factory air filter. Its design achieves a score of 7 for Street Performance, offering premium engine protection. Confirm fitment with your specific vehicle for seamless integration.

How do I clean a K&N drop-in air filter?

Cleaning your K&N drop-in air filter allows it to be reused for a lifetime of performance. The filter is designed for easy cleaning and reuse, achieving a high score for maintenance level. A tube of grease is provided in the packaging for proper reinstallation.

Is a K&N Drop in air filter worth upgrading for my G37?

Upgrading to a K&N drop-in air filter for your G37 delivers cleaner air to your engine for enhanced performance and longevity. This upgrade scores a 7 for Engine Performance, providing superior filtration that safeguards your engine from damaging contaminants. Confirm fitment with your vehicle for optimal results.

What are the installation instructions for K&N drop-in air filters?

Installing a K&N drop-in air filter is a simple, hassle-free process that transforms your driving experience. The drop-in install type means it fits directly into your factory air box, achieving a score of 9 for Easy DIY Install. This ensures a quick and convenient upgrade for your vehicle.

How does a K&N drop-in air filter enhance engine performance?

A K&N drop-in air filter enhances engine performance by delivering cleaner air, which is critical for optimal combustion. This product achieves a score of 7 for Engine Performance, providing superior filtration to protect your equipment's engine from harmful debris. Confirm fitment with your vehicle for this performance boost.

Additional Resources

Official K&N Engineering Product Page

Installation Guide (PDF)

Important Notices

⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

Browse More: Shop All Air Filters - Drop In — Air Filters

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Additional Information

Clearance Item:
N
MPN:
E-4665
Proposition 65:
Y
Case Lot Quantity:
1
Category:
Air Filters>Air Filters - Drop In
Universal Fitment:
Y
Install Type:
Drop-In
Product Level:
Premium Performance
Easy DIY Install:
9/10
Street Performance:
7/10
Engine Performance:
7/10
Racing Competition:
6/10
Track / Autocross:
6/10
Overlanding / Expedition:
5/10
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